Commonly, a voucher is a document that shows goods have bought or services have been rendered, authorizes payment, and indicates the ledger account(s) in which these transactions have to be recorded.
It was the first product in a major class of drugs for depression called selective serotonin reuptake inhibitors. Prozac was first introduced to the U.S. market in January 1988, and it gained its most prescribed status within two years.
Zoloft (sertraline chloride) is an antidepressant developed and manufactured by Pfizer. The U.S. Food and Drug Administration approved it for sale in the U.S. in 1990. Pfizer originally sold Zoloft in the U.K. under the brand name Lustral, and it took nine years for Americans to gain access to it.